Roller skate



Oct. 27, 1936. E.J. PARDON ET AL ROLLER SKATE Original Fil ed June 2 9,1935 N 2 W m n mm N M l H mp, EL w R EA D N A ATTORNEY Patented Oct. 27,1936 PATENT OFFIE ROLLER SKATE Ernest J. Pardon, Torrington, and AdolphH. Fritz, Litchfield, Conn., assignors to Union Hardware Company,

Torrington, Conn., a corporation of Connecticut Original applicationJune 29, 1935, Serial No.

Divided and this application December 4, 1935, Serial No. 52,780

4 Claims.

The present invention relates to improved structures for roller skates.This application is a division of an application of Ernest J. Pardon andAdolph I-I. Fritz, Serial Number 29,040, filed June 29th, 1935, forRoller skate. More particularly the present application contemplatesimprovements in the Wheel-supporting elements of roller skates.

One object of the invention is to produce a simplified and strong truckand carrier assembly for skates to be used at the front or rear of thesame.

Another object is to make a wheel carrying structure of sheet metal andto increase the ease of manufacture and assembly of the parts.

Still another object is to eliminate the necessity of a trunnion pinbetween the truck and carrier and yet provide ample bearing surface inplace thereof.

The above objects, and others, are accomplished by making the truck bodyand the carrier body of sheet metal. These parts are cut, punched,stamped and struck into the desired configuration and finally assembledwith a rubber cushion block into a unitary structure, the Wheel or axlecarrier having perforations forming bearings for inturned tubular pintlelugs.

The preferred form of the invention will be clear from the followingdescription and claims, taken in connection with the accompanyingdrawing, in which:

Fig. 1 is a perspective of the assembled truck hanger and wheel carrierattached to the underside of a skate foot plate.

Fig. 2 is a vertical longitudinal section through the parts.

Fig. 3 is a section on the plane of the line 33 of Fig. 2.

Fig. 4 is an exploded perspective of the parts just before finalassembly.

In the preferred form of the invention, a sheet metal truck member III,of generally U-shaped transverse section, is connected to an axlebracket or carrier plate II, also of sheet metal. The carrier II, has aWheel axle loop I2 in which the axle is held, supporting the wheel I3(dotted outline in Fig. 2)

The connection and bearing between truck and carrier is made through themedium of front and rear flanges I4 on the truck Ill and correspondingfront and rear flanges I5 on the carrier II. The flanges I5 extendacross the ends of a resilient rubber block I6 which is used to cushionthe wheels and permit sidewise rocking.

Instead of the ordinary trunnion pin extending through the truck andcarrier flanges, integral lugs or projections H are stamped or drawnfrom the outer flanges I4.

These lugs, of tubular form, extend into passages in the inner flanges,connect the truck and carrier together and form relatively large bearingsurfaces for the parts.

The block I6 is grooved at I8 and the lugs extend into the ends of thegroove to aid in holding the rubber block from transverse shifting. Thisgroove, shown in the bottom surface of the block, also facilitates theinsertion of the lugs I'I through slots I9 in the carrier flanges. Theslots I9, it should be noted, extend slightly beyond the base of theflanges into the body portion of the carrier.

Lugs 20, on the top of the truck sides, may be provided for securing thestructure to the foot plate 2! of the skate. The lugs are headed orriveted over as at 22, to make a proper joint.

In assembling the parts, the rubber block is seated between the flangesI5 on the bottom plate of the carrier II. The carrier and the truck IIIare then brought together and the flanges I4 are bent inwardly, thebearing lugs I7 entering the slots I9 and holding the parts againstseparation. The rubber block, under pressure, resiliently urges the lugsI'I toward the top ends of the slots I9.

Side lugs or flanges may be struck out of the truck ID to assist inholding the rubber block I6 against transverse movement and preventundue spreading of the same.

By means of the above structure, a strong and inexpensive mounting forthe wheel axle is produced. The small number of necessary parts, theirease of manufacture and assembly and their mechanical design offerdistinct advantages over existing structures.

The cylindrical tubular form of the lugs II increases the extent of theeffective bearing surfaces between truck and carrier. Because the slotsI9 extend into the body portion of the carrier as well as through theflanges, the lugs I! can be easily positioned in assembly, and the lugsand slots have an extended degree of freedom to play. The grooved blockis cheaper than a solid block of the same over-all dimensions.

Although a pintle is ordinarily unnecessary in this construction, a pinor rivet may be inserted through the tubular bearing member IT andthrough the groove I8 to reinforce the truck if desired.

We claim:

1. A skate truck comprising a bottom plate having a support for an axleand front and rear flanges and an opening in each flange, a top platehaving end flanges with indrawn bearing members extending into theopenings in the flanges of the bottom plate, and a resilient blockhaving a groove in its lower face, into the ends of which said bearingmembers project near said bottom plate.

2. A skate truck comprising a bottom plate having a support for an axle,and front and rear flanges integral therewith and an opening in eachflange, a top plate having end flanges with indrawn bearing membersextending into the openings in the flanges 0f the bottom plate, and aresilient block held between said top and bottom plates and the flangesof the bottom plate.

3. A skate truck consisting of upper and lower plates each having frontand rear flanges, the flanges of the upper plate having tubularcylindrical bearings projecting toward each other and through openingsin the flanges on the lower plate and a resilient block held underpressure between the upper and lower plates and between the flanges ofthe lower plate, said block having a groove into the ends of which saidtubular bearings project.

4. A skate truck comprising a sheet metal bottom plate having a supportfor an axle and having front and rear flanges, and an opening in eachflange near the lower part of the bottom plate, a top plate having endflanges with indrawn bearing members extending into the openings in theflanges of the bottom plate, and a resilient block held between theflanges of the bottom plate and having a groove in its lower part intothe ends of which said bearing members project near the lower part ofthe bottom plate.

ERNEST J. PARDON. ADOLPH H. FRITZ.

